/* テンプレート49: 波形デザイン */
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Quicksand', 'Noto Sans JP', sans-serif; font-size: 16px; line-height: 1.9; color: #4a3728; background: #fff5f0; }

.site-header { background: linear-gradient(135deg, #ff7f7f 0%, #ffb88c 100%); padding: 20px 40px; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 700; color: #fff; }

/* 丸ナビ */
.circle-nav { position: fixed; right: 30px; top: 50%; transform: translateY(-50%); z-index: 1000; display: flex; flex-direction: column; gap: 15px; }
.circle-nav a { width: 50px; height: 50px; background: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; text-decoration: none; font-size: 1.2rem; box-shadow: 0 5px 20px rgba(255, 127, 127, 0.3); transition: all 0.3s; position: relative; }
.circle-nav a:hover { transform: scale(1.15); background: linear-gradient(135deg, #ff7f7f, #ffb88c); }
.circle-nav a:hover span { color: #fff; }
.circle-nav a::after { content: attr(data-label); position: absolute; right: 60px; background: #4a3728; color: #fff; padding: 5px 12px; border-radius: 6px; font-size: 0.75rem; white-space: nowrap; opacity: 0; visibility: hidden; transition: all 0.3s; }
.circle-nav a:hover::after { opacity: 1; visibility: visible; }

/* 波形セクション */
.wave-section { position: relative; padding: 100px 0 150px; }
.wave-section:nth-child(odd) { background: #fff5f0; }
.wave-section:nth-child(even) { background: #fff; }
.wave-section::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 80px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath fill='%23fff' d='M0,60 C300,120 600,0 900,60 C1050,90 1150,90 1200,60 L1200,120 L0,120 Z'/%3E%3C/svg%3E") no-repeat bottom; background-size: cover; }
.wave-section:nth-child(even)::after { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath fill='%23fff5f0' d='M0,60 C300,120 600,0 900,60 C1050,90 1150,90 1200,60 L1200,120 L0,120 Z'/%3E%3C/svg%3E") no-repeat bottom; background-size: cover; }

.container { max-width: 900px; margin: 0 auto; padding: 0 30px; }
.section-title { font-size: 2.2rem; color: #ff7f7f; text-align: center; margin-bottom: 40px; }

.content-card { background: #fff; border-radius: 30px; padding: 50px; box-shadow: 0 15px 50px rgba(255, 127, 127, 0.15); }
.content-card.fade-in { opacity: 0; transform: translateY(40px); transition: all 0.8s; }
.content-card.fade-in.visible { opacity: 1; transform: translateY(0); }
.content-card h2 { font-size: 1.5rem; color: #ff7f7f; margin-bottom: 20px; }
.content-card p { color: #6b5344; }
.content-card img { width: 100%; border-radius: 20px; margin: 25px 0; }

.site-footer { background: linear-gradient(135deg, #ff7f7f 0%, #ffb88c 100%); color: #fff; padding: 50px 30px; text-align: center; position: relative; }
.footer-nav a { color: rgba(255,255,255,0.9); text-decoration: none; margin: 0 15px; }

.hamburger { display: none; width: 28px; height: 22px; position: relative; cursor: pointer; }
.hamburger span { display: block; position: absolute; width: 100%; height: 2px; background: #fff; transition: all 0.3s; }
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 10px; }
.hamburger span:nth-child(3) { top: 20px; }
.mobile-nav { display: none; position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: linear-gradient(180deg, #ff7f7f, #ffb88c); padding: 80px 30px; transition: right 0.4s; z-index: 999; }
.mobile-nav.open { right: 0; }
.mobile-nav a { display: block; padding: 15px 0; color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.3); }

.back-to-top { display: none; position: fixed; bottom: 30px; left: 30px; width: 50px; height: 50px; background: #ff7f7f; color: #fff; border: none; border-radius: 50%; cursor: pointer; z-index: 998; }

.sitemap-list { list-style: none; }
.sitemap-list li { margin-bottom: 15px; padding-left: 25px; position: relative; }
.sitemap-list li::before { content: '♥'; position: absolute; left: 0; color: #ff7f7f; }
.sitemap-list a { color: #ff7f7f; text-decoration: none; }

@media (max-width: 768px) {
    .circle-nav { display: none; }
    .hamburger { display: block; }
    .mobile-nav { display: block; }
    .wave-section { padding: 60px 0 100px; }
    .content-card { padding: 30px 25px; }
}